package com.dormitory.javadormitory.config;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.cors.CorsConfiguration;
import org.springframework.web.cors.UrlBasedCorsConfigurationSource;
import org.springframework.web.filter.CorsFilter;
@Configuration
//处理跨域请求
public class CrossOriginConfig {
    //当前跨域请求最大有效时长。这里默认1天
    private static final long MAX_AGE=24*60*60;

    @Bean
    public CorsFilter corsFilter() {
        UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
        CorsConfiguration corsConfiguration = new CorsConfiguration();
        corsConfiguration.setAllowCredentials(true);
        corsConfiguration.addAllowedOrigin("http://localhost:5173");//1设置访问源地址
        corsConfiguration.addAllowedHeader("*");//2设置访问源请求头
        corsConfiguration.addAllowedMethod("*");//3设置访问源请求方法
        corsConfiguration.setMaxAge(MAX_AGE);
        source.registerCorsConfiguration("/**", corsConfiguration);//4对接口配置跨域设置
        return new CorsFilter(source);
    }

}